welks ewlks wleks lweks elwks lewks wekls ewkls wkels kwels ekwls kewls wlkes lwkes wkles kwles lkwes klwes elkws lekws eklws kelws lkews klews welsk ewlsk wlesk lwesk elwsk lewsk weslk ewslk wselk swelk eswlk sewlk wlsek lwsek wslek swlek lswek slwek elswk leswk eslwk selwk lsewk slewk weksl ewksl wkesl kwesl ekwsl kewsl weskl ewskl wsekl swekl eswkl sewkl wksel kwsel wskel swkel kswel skwel ekswl keswl eskwl sekwl ksewl skewl wlkse lwkse wklse kwlse lkwse klwse wlske lwske wslke swlke lswke slwke wksle kwsle wskle swkle kswle skwle lkswe klswe lskwe slkwe kslwe sklwe elksw leksw eklsw kelsw lkesw klesw elskw leskw eslkw selkw lsekw slekw ekslw keslw esklw seklw kselw skelw lksew klsew lskew slkew kslew sklew
Note: these 'words' (valid or invalid) are all the permutations of the word welks. These words are obtained by scrambling the letters in welks.